CVE-2021-22731

CRITICAL

Modicon Managed Switch <V8.21 - Info Disclosure

Title source: llm
STIX 2.1

Description

Weak Password Recovery Mechanism for Forgotten Password vulnerability exists on Modicon Managed Switch MCSESM* and MCSESP* V8.21 and prior which could cause an unauthorized password change through HTTP / HTTPS when basic user information is known by a remote attacker.

Scores

CVSS v3 9.8
EPSS 0.0088
EPSS Percentile 75.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-640
Status published
Products (16)
schneider-electric/mcsesm043f23f0_firmware < 8.22
schneider-electric/mcsesm053f1cs0_firmware < 8.22
schneider-electric/mcsesm053f1cu0_firmware < 8.22
schneider-electric/mcsesm063f2cs0_firmware < 8.22
schneider-electric/mcsesm063f2cu0_firmware < 8.22
schneider-electric/mcsesm083f23f0_firmware < 8.22
schneider-electric/mcsesm083f23f0h_firmware < 8.22
schneider-electric/mcsesm093f1cs0_firmware < 8.22
schneider-electric/mcsesm093f1cu0_firmware < 8.22
schneider-electric/mcsesm103f2cs0_firmware < 8.22
... and 6 more
Published May 26, 2021
Tracked Since Feb 18, 2026